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Alpina RS Lux oil leak

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AlpinaJr
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Alpina RS Lux oil leak

Post by AlpinaJr » Tue Jun 06, 2023 7:30 am

Morning all.

I've recently noticed a dry oil leak on my garage floor. The positioning of the leak is on the passenger side a few inches in from the sill behind the nearside front wheel.

Although I have limited access to underneath the car, I can see there is a small specic area where the oil drips onto the garage floor after a run.

Just going by the location of the leak corresponding with the engine bay lay out, any ideas what the issue maybe?

Thanks
Z4 Alpina Roadster S Lux No 156, 2005, Sapphire Metallic Black / Renault Clio V6 / Ford Racing Puma / Abarth 695 Edizione Maserati

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inkey$
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Alpina RS Lux oil leak

Post by inkey$ » Tue Jun 06, 2023 9:00 am

Could be a number of things if it's crept over and along pipework/under trays. I'd be using a torch and take a look for a source of dampness looking down from the top, then also jack the car up to check underneath.
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AlpinaJr
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Alpina RS Lux oil leak

Post by AlpinaJr » Fri Jun 09, 2023 6:47 pm

Thanks for the response. On further inspection it seems to be coming from the front passenger side suspension leg, as their is an oil type residue splattered all around the wheel arch cover behind the front wheel.
Z4 Alpina Roadster S Lux No 156, 2005, Sapphire Metallic Black / Renault Clio V6 / Ford Racing Puma / Abarth 695 Edizione Maserati

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Alpina RS Lux oil leak

Post by patriot66 » Sat Jun 10, 2023 6:43 pm

Assuming your brakes are fine and not losing any brake fluid then it must be the strut (damper) seal that is leaking. If it's on the original 20 year old set then they will be well past their best :thumbsup:
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Alpina RS Lux oil leak

Post by AlpinaJr » Mon Jun 12, 2023 3:52 pm

Yes I'm starting to think the same. Whilst on subject & the possability of now having to change the front dampers. Do you have any recommendations on front coils for the Alpina RS? Tried Ebay & other online motor factors with no joy. I have the original part number & Icurrently have BMW looking into it with Alpina. Starting to think it will now be easier changing the front axle suspension components to BMW OEM if compatiable & safe to do so?
l
Z4 Alpina Roadster S Lux No 156, 2005, Sapphire Metallic Black / Renault Clio V6 / Ford Racing Puma / Abarth 695 Edizione Maserati

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Alpina RS Lux oil leak

Post by patriot66 » Mon Jun 12, 2023 9:05 pm

I think you would be better putting this question to the guys in the Alpina Specific section :thumbsup:
Sterling Grey '03 2.5i SE / Infinitas Supercharger / S.M.G / Hardtop / Gloss Black 162s / Bilstein B4s / 3.0i Brakes / DLV De-Cat & Silencer / Rebuilt VANOS / Sonar 2Xcite Lights / Carbon & Alcantara Trim / M-Sport Seats / ...& Side Covers !

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Alpina RS Lux oil leak

Post by Dave1971 » Tue Jun 13, 2023 12:08 am

AlpinaJr wrote: Mon Jun 12, 2023 3:52 pm Yes I'm starting to think the same. Whilst on subject & the possability of now having to change the front dampers. Do you have any recommendations on front coils for the Alpina RS? Tried Ebay & other online motor factors with no joy. I have the original part number & Icurrently have BMW looking into it with Alpina. Starting to think it will now be easier changing the front axle suspension components to BMW OEM if compatiable & safe to do so?
l
The previous owner of my Alpina installed Bilstien shock absorbers. I can dig out the part numbers for you if you like.
Zed No 1 2004 e85 Z4 2.2 se
Zed No 2 2007 e85 Imola Red Z4MR
Zed No 3 2006 e85 Ruby Black 3.0si Roadster
Zed No 4 2009 e89 Deep see blue 35i sDrive
Zed No 5 2006 e85 Titan silver 3.0si Roadster
Zed No 6 2004 e85 Black Sapphire Alpina Roadster S Lux #073

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AlpinaJr
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Alpina RS Lux oil leak

Post by AlpinaJr » Thu Jun 15, 2023 5:19 am

That would be great many thanks.
Z4 Alpina Roadster S Lux No 156, 2005, Sapphire Metallic Black / Renault Clio V6 / Ford Racing Puma / Abarth 695 Edizione Maserati

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Dave1971
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Alpina RS Lux oil leak

Post by Dave1971 » Thu Jun 15, 2023 2:30 pm

AlpinaJr wrote: Thu Jun 15, 2023 5:19 am That would be great many thanks.
Here you go. The small box is the rear damper and the large one is the front. Looking through the old receipts this is is the B12 kit meaning these dampers are lower/firmer than factory spec.
Attachments
DSC_1344.JPG
DSC_1344.JPG (76.94 KiB) Viewed 214 times
Zed No 1 2004 e85 Z4 2.2 se
Zed No 2 2007 e85 Imola Red Z4MR
Zed No 3 2006 e85 Ruby Black 3.0si Roadster
Zed No 4 2009 e89 Deep see blue 35i sDrive
Zed No 5 2006 e85 Titan silver 3.0si Roadster
Zed No 6 2004 e85 Black Sapphire Alpina Roadster S Lux #073

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AlpinaJr
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Alpina RS Lux oil leak

Post by AlpinaJr » Sun Jun 18, 2023 12:43 pm

Many thanjsc :thumbsup:
Z4 Alpina Roadster S Lux No 156, 2005, Sapphire Metallic Black / Renault Clio V6 / Ford Racing Puma / Abarth 695 Edizione Maserati

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